نتایج جستجو برای: nuclear magnetic resonance spectros

تعداد نتایج: 613765  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان - دانشکده علوم پایه دامغان 1394

در بین انواع نانوذره ها، نانوذره های مغناطیسی (mnps) نظر به کاربرد های بسیاری که در حوزه های مختلفی همچون مایعات مغناطیس (magnetic fluids) کاتالیز (catalysis) ، تصویربرداری رزونانس مغناطیسmagnetic resonance imaging) ) و بازسازی محیط زیست (environmental remediation) دارند توجه پژوهشگران را به خود جلب نموده اند [1]. این نانوذره ها سوپرپارامغناطیس هایی اند که می توانند جذب میدان مغاطیسی شوند اما خ...

Journal: :European Journal of Biochemistry 2005

Journal: :Journal of Japan Oil Chemists' Society 1962

Journal: :Acta Crystallographica 1963

Journal: :Nature Reviews Methods Primers 2021

Nuclear magnetic resonance (NMR) spectroscopy is a principal analytical technique used for the structure elucidation of molecules. This Primer covers different approaches to accelerate data acquisition and increase sensitivity NMR measurements through parallelization, enabled by hardware design and/or pulse sequence development. Starting with hardware-based methods, we discuss coupling multiple...

2007
Ye Li Javad Razavilar

A super-resolution parameter estimation scheme for multi-dimensional nuclear magnetic resonance spectroscopy is presented in this paper. Multi-dimensional nuclear magnetic resonance signals can be modeled as the summation of multi-dimensional damped sinusoids. The frequencies and the damping factors of multi-dimensional damped sinusoids play important roles in protein structure determination us...

Journal: :journal of paramedical sciences 0
seyed abdolreza mortazavi-tabatabaei reseach student committee, proteomics research center, faculty of paramedical sciences ,shahid beheshti university of medical sciences, tehran fariba fathi department of chemistry, sharif university of technology, tehran fatemeh ektefa department of chemistry, tarbiat modares university, tehran mohsen tafazzoli department of chemistry, sharif university of technology, tehran afsaneh arefi oskouie department of basic science, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran mostafa rezaei-tavirani proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran

the factors such as disease can disrupt homeostasis, resulting in perturbations of endogenous biochemicals that are involved in key metabolic profiles. metabonomics is useful technique to quantitative description of endogenous metabolites present in a biological sample such as urine, plasma and tissue. high resolution 1 h nuclear magnetic resonance (nmr)-based metabonomics is a technique used t...

Journal: :Journal of Neurology, Neurosurgery & Psychiatry 1985

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